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Finding the Fourth Proportional to 5,353.38, 8,030.13 and 1,888.20

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Solution

The fourth proportional to 5,353.38, 8,030.13 and 1,888.20 is: 2,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.38 : 8,030.13 = 1,888.20 : x
  2. Step 2: Convert to fraction form
    5,353.38/8,030.13 = 1,888.20/x
  3. Step 3: Cross multiply
    5,353.38x = 8,030.13 × 1,888.20
  4. Step 4: Simplify right side
    5,353.38x = 15,162,491.47
  5. Step 5: Solve for x
    x = 15,162,491.47/5,353.38
  6. Step 6: Final answer
    x = 2,832.32

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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.