Home / 8,812.62-12,159.27-5,035.30

Finding the Fourth Proportional to 8,812.62, 12,159.27 and 5,035.30

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Solution

The fourth proportional to 8,812.62, 12,159.27 and 5,035.30 is: 6,947.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.62 : 12,159.27 = 5,035.30 : x
  2. Step 2: Convert to fraction form
    8,812.62/12,159.27 = 5,035.30/x
  3. Step 3: Cross multiply
    8,812.62x = 12,159.27 × 5,035.30
  4. Step 4: Simplify right side
    8,812.62x = 61,225,541.83
  5. Step 5: Solve for x
    x = 61,225,541.83/8,812.62
  6. Step 6: Final answer
    x = 6,947.48

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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.