Home / 9,077.74-12,528.65-5,542.99

Finding the Fourth Proportional to 9,077.74, 12,528.65 and 5,542.99

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Solution

The fourth proportional to 9,077.74, 12,528.65 and 5,542.99 is: 7,650.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077.74 : 12,528.65 = 5,542.99 : x
  2. Step 2: Convert to fraction form
    9,077.74/12,528.65 = 5,542.99/x
  3. Step 3: Cross multiply
    9,077.74x = 12,528.65 × 5,542.99
  4. Step 4: Simplify right side
    9,077.74x = 69,446,153.95
  5. Step 5: Solve for x
    x = 69,446,153.95/9,077.74
  6. Step 6: Final answer
    x = 7,650.16

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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.