Home / 8,687.48-13,038.22-4,528.76

Finding the Fourth Proportional to 8,687.48, 13,038.22 and 4,528.76

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Solution

The fourth proportional to 8,687.48, 13,038.22 and 4,528.76 is: 6,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687.48 : 13,038.22 = 4,528.76 : x
  2. Step 2: Convert to fraction form
    8,687.48/13,038.22 = 4,528.76/x
  3. Step 3: Cross multiply
    8,687.48x = 13,038.22 × 4,528.76
  4. Step 4: Simplify right side
    8,687.48x = 59,046,969.21
  5. Step 5: Solve for x
    x = 59,046,969.21/8,687.48
  6. Step 6: Final answer
    x = 6,796.79

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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.