Home / 6,475.40-9,722.70-5,016.20

Finding the Fourth Proportional to 6,475.40, 9,722.70 and 5,016.20

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Solution

The fourth proportional to 6,475.40, 9,722.70 and 5,016.20 is: 7,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.40 : 9,722.70 = 5,016.20 : x
  2. Step 2: Convert to fraction form
    6,475.40/9,722.70 = 5,016.20/x
  3. Step 3: Cross multiply
    6,475.40x = 9,722.70 × 5,016.20
  4. Step 4: Simplify right side
    6,475.40x = 48,771,007.74
  5. Step 5: Solve for x
    x = 48,771,007.74/6,475.40
  6. Step 6: Final answer
    x = 7,531.74

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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.