Home / 6,315.10-9,472.65-5,148.70

Finding the Fourth Proportional to 6,315.10, 9,472.65 and 5,148.70

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Solution

The fourth proportional to 6,315.10, 9,472.65 and 5,148.70 is: 7,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.10 : 9,472.65 = 5,148.70 : x
  2. Step 2: Convert to fraction form
    6,315.10/9,472.65 = 5,148.70/x
  3. Step 3: Cross multiply
    6,315.10x = 9,472.65 × 5,148.70
  4. Step 4: Simplify right side
    6,315.10x = 48,771,833.06
  5. Step 5: Solve for x
    x = 48,771,833.06/6,315.10
  6. Step 6: Final answer
    x = 7,723.05

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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.