Home / 8,712.18-13,061.16-4,327.23

Finding the Fourth Proportional to 8,712.18, 13,061.16 and 4,327.23

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Solution

The fourth proportional to 8,712.18, 13,061.16 and 4,327.23 is: 6,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.18 : 13,061.16 = 4,327.23 : x
  2. Step 2: Convert to fraction form
    8,712.18/13,061.16 = 4,327.23/x
  3. Step 3: Cross multiply
    8,712.18x = 13,061.16 × 4,327.23
  4. Step 4: Simplify right side
    8,712.18x = 56,518,643.39
  5. Step 5: Solve for x
    x = 56,518,643.39/8,712.18
  6. Step 6: Final answer
    x = 6,487.31

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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.