Home / 8,752.28-13,130.08-2,830.76

Finding the Fourth Proportional to 8,752.28, 13,130.08 and 2,830.76

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Solution

The fourth proportional to 8,752.28, 13,130.08 and 2,830.76 is: 4,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.28 : 13,130.08 = 2,830.76 : x
  2. Step 2: Convert to fraction form
    8,752.28/13,130.08 = 2,830.76/x
  3. Step 3: Cross multiply
    8,752.28x = 13,130.08 × 2,830.76
  4. Step 4: Simplify right side
    8,752.28x = 37,168,105.26
  5. Step 5: Solve for x
    x = 37,168,105.26/8,752.28
  6. Step 6: Final answer
    x = 4,246.68

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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.