Home / 5,013.38-7,519.59-1,315.53

Finding the Fourth Proportional to 5,013.38, 7,519.59 and 1,315.53

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Solution

The fourth proportional to 5,013.38, 7,519.59 and 1,315.53 is: 1,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.38 : 7,519.59 = 1,315.53 : x
  2. Step 2: Convert to fraction form
    5,013.38/7,519.59 = 1,315.53/x
  3. Step 3: Cross multiply
    5,013.38x = 7,519.59 × 1,315.53
  4. Step 4: Simplify right side
    5,013.38x = 9,892,246.23
  5. Step 5: Solve for x
    x = 9,892,246.23/5,013.38
  6. Step 6: Final answer
    x = 1,973.17

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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.