Home / 8,750.71-13,126.07-2,176.90

Finding the Fourth Proportional to 8,750.71, 13,126.07 and 2,176.90

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Solution

The fourth proportional to 8,750.71, 13,126.07 and 2,176.90 is: 3,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.71 : 13,126.07 = 2,176.90 : x
  2. Step 2: Convert to fraction form
    8,750.71/13,126.07 = 2,176.90/x
  3. Step 3: Cross multiply
    8,750.71x = 13,126.07 × 2,176.90
  4. Step 4: Simplify right side
    8,750.71x = 28,574,114.41
  5. Step 5: Solve for x
    x = 28,574,114.41/8,750.71
  6. Step 6: Final answer
    x = 3,265.35

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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.