Home / 8,432.15-11,636.30-4,655.32

Finding the Fourth Proportional to 8,432.15, 11,636.30 and 4,655.32

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Solution

The fourth proportional to 8,432.15, 11,636.30 and 4,655.32 is: 6,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.15 : 11,636.30 = 4,655.32 : x
  2. Step 2: Convert to fraction form
    8,432.15/11,636.30 = 4,655.32/x
  3. Step 3: Cross multiply
    8,432.15x = 11,636.30 × 4,655.32
  4. Step 4: Simplify right side
    8,432.15x = 54,170,700.12
  5. Step 5: Solve for x
    x = 54,170,700.12/8,432.15
  6. Step 6: Final answer
    x = 6,424.30

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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.