Home / 9,137.29-13,700.69-2,810.52

Finding the Fourth Proportional to 9,137.29, 13,700.69 and 2,810.52

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Solution

The fourth proportional to 9,137.29, 13,700.69 and 2,810.52 is: 4,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.29 : 13,700.69 = 2,810.52 : x
  2. Step 2: Convert to fraction form
    9,137.29/13,700.69 = 2,810.52/x
  3. Step 3: Cross multiply
    9,137.29x = 13,700.69 × 2,810.52
  4. Step 4: Simplify right side
    9,137.29x = 38,506,070.29
  5. Step 5: Solve for x
    x = 38,506,070.29/9,137.29
  6. Step 6: Final answer
    x = 4,214.17

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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.