Home / 7,475.28-10,317.08-5,703.52

Finding the Fourth Proportional to 7,475.28, 10,317.08 and 5,703.52

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Solution

The fourth proportional to 7,475.28, 10,317.08 and 5,703.52 is: 7,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.28 : 10,317.08 = 5,703.52 : x
  2. Step 2: Convert to fraction form
    7,475.28/10,317.08 = 5,703.52/x
  3. Step 3: Cross multiply
    7,475.28x = 10,317.08 × 5,703.52
  4. Step 4: Simplify right side
    7,475.28x = 58,843,672.12
  5. Step 5: Solve for x
    x = 58,843,672.12/7,475.28
  6. Step 6: Final answer
    x = 7,871.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.