Home / 8,487.22-11,712.96-4,710.76

Finding the Fourth Proportional to 8,487.22, 11,712.96 and 4,710.76

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Solution

The fourth proportional to 8,487.22, 11,712.96 and 4,710.76 is: 6,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487.22 : 11,712.96 = 4,710.76 : x
  2. Step 2: Convert to fraction form
    8,487.22/11,712.96 = 4,710.76/x
  3. Step 3: Cross multiply
    8,487.22x = 11,712.96 × 4,710.76
  4. Step 4: Simplify right side
    8,487.22x = 55,176,943.45
  5. Step 5: Solve for x
    x = 55,176,943.45/8,487.22
  6. Step 6: Final answer
    x = 6,501.18

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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.