Home / 8,385.44-12,572.65-4,688.06

Finding the Fourth Proportional to 8,385.44, 12,572.65 and 4,688.06

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Solution

The fourth proportional to 8,385.44, 12,572.65 and 4,688.06 is: 7,029.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.44 : 12,572.65 = 4,688.06 : x
  2. Step 2: Convert to fraction form
    8,385.44/12,572.65 = 4,688.06/x
  3. Step 3: Cross multiply
    8,385.44x = 12,572.65 × 4,688.06
  4. Step 4: Simplify right side
    8,385.44x = 58,941,251.26
  5. Step 5: Solve for x
    x = 58,941,251.26/8,385.44
  6. Step 6: Final answer
    x = 7,029.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.