Home / 7,403.28-10,215.55-4,754.28

Finding the Fourth Proportional to 7,403.28, 10,215.55 and 4,754.28

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Solution

The fourth proportional to 7,403.28, 10,215.55 and 4,754.28 is: 6,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.28 : 10,215.55 = 4,754.28 : x
  2. Step 2: Convert to fraction form
    7,403.28/10,215.55 = 4,754.28/x
  3. Step 3: Cross multiply
    7,403.28x = 10,215.55 × 4,754.28
  4. Step 4: Simplify right side
    7,403.28x = 48,567,560.84
  5. Step 5: Solve for x
    x = 48,567,560.84/7,403.28
  6. Step 6: Final answer
    x = 6,560.27

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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.