Home / 8,972.77-13,426.35-5,276.74

Finding the Fourth Proportional to 8,972.77, 13,426.35 and 5,276.74

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Solution

The fourth proportional to 8,972.77, 13,426.35 and 5,276.74 is: 7,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.77 : 13,426.35 = 5,276.74 : x
  2. Step 2: Convert to fraction form
    8,972.77/13,426.35 = 5,276.74/x
  3. Step 3: Cross multiply
    8,972.77x = 13,426.35 × 5,276.74
  4. Step 4: Simplify right side
    8,972.77x = 70,847,358.10
  5. Step 5: Solve for x
    x = 70,847,358.10/8,972.77
  6. Step 6: Final answer
    x = 7,895.82

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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.