Home / 8,432.37-11,636.89-4,655.58

Finding the Fourth Proportional to 8,432.37, 11,636.89 and 4,655.58

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Solution

The fourth proportional to 8,432.37, 11,636.89 and 4,655.58 is: 6,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.37 : 11,636.89 = 4,655.58 : x
  2. Step 2: Convert to fraction form
    8,432.37/11,636.89 = 4,655.58/x
  3. Step 3: Cross multiply
    8,432.37x = 11,636.89 × 4,655.58
  4. Step 4: Simplify right side
    8,432.37x = 54,176,430.16
  5. Step 5: Solve for x
    x = 54,176,430.16/8,432.37
  6. Step 6: Final answer
    x = 6,424.82

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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.