Home / 8,430.06-11,635.95-4,894.86

Finding the Fourth Proportional to 8,430.06, 11,635.95 and 4,894.86

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Solution

The fourth proportional to 8,430.06, 11,635.95 and 4,894.86 is: 6,756.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.06 : 11,635.95 = 4,894.86 : x
  2. Step 2: Convert to fraction form
    8,430.06/11,635.95 = 4,894.86/x
  3. Step 3: Cross multiply
    8,430.06x = 11,635.95 × 4,894.86
  4. Step 4: Simplify right side
    8,430.06x = 56,956,346.22
  5. Step 5: Solve for x
    x = 56,956,346.22/8,430.06
  6. Step 6: Final answer
    x = 6,756.34

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.