Home / 9,130.74-13,700.02-2,891.26

Finding the Fourth Proportional to 9,130.74, 13,700.02 and 2,891.26

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Solution

The fourth proportional to 9,130.74, 13,700.02 and 2,891.26 is: 4,338.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.74 : 13,700.02 = 2,891.26 : x
  2. Step 2: Convert to fraction form
    9,130.74/13,700.02 = 2,891.26/x
  3. Step 3: Cross multiply
    9,130.74x = 13,700.02 × 2,891.26
  4. Step 4: Simplify right side
    9,130.74x = 39,610,319.83
  5. Step 5: Solve for x
    x = 39,610,319.83/9,130.74
  6. Step 6: Final answer
    x = 4,338.13

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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.