Home / 8,812.04-12,157.29-5,625.45

Finding the Fourth Proportional to 8,812.04, 12,157.29 and 5,625.45

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Solution

The fourth proportional to 8,812.04, 12,157.29 and 5,625.45 is: 7,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.04 : 12,157.29 = 5,625.45 : x
  2. Step 2: Convert to fraction form
    8,812.04/12,157.29 = 5,625.45/x
  3. Step 3: Cross multiply
    8,812.04x = 12,157.29 × 5,625.45
  4. Step 4: Simplify right side
    8,812.04x = 68,390,227.03
  5. Step 5: Solve for x
    x = 68,390,227.03/8,812.04
  6. Step 6: Final answer
    x = 7,761.00

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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.