Home / 5,325.40-7,948.67-4,997.08

Finding the Fourth Proportional to 5,325.40, 7,948.67 and 4,997.08

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Solution

The fourth proportional to 5,325.40, 7,948.67 and 4,997.08 is: 7,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.40 : 7,948.67 = 4,997.08 : x
  2. Step 2: Convert to fraction form
    5,325.40/7,948.67 = 4,997.08/x
  3. Step 3: Cross multiply
    5,325.40x = 7,948.67 × 4,997.08
  4. Step 4: Simplify right side
    5,325.40x = 39,720,139.88
  5. Step 5: Solve for x
    x = 39,720,139.88/5,325.40
  6. Step 6: Final answer
    x = 7,458.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.