Home / 7,475.10-10,312.47-4,330.14

Finding the Fourth Proportional to 7,475.10, 10,312.47 and 4,330.14

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Solution

The fourth proportional to 7,475.10, 10,312.47 and 4,330.14 is: 5,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.10 : 10,312.47 = 4,330.14 : x
  2. Step 2: Convert to fraction form
    7,475.10/10,312.47 = 4,330.14/x
  3. Step 3: Cross multiply
    7,475.10x = 10,312.47 × 4,330.14
  4. Step 4: Simplify right side
    7,475.10x = 44,654,438.85
  5. Step 5: Solve for x
    x = 44,654,438.85/7,475.10
  6. Step 6: Final answer
    x = 5,973.76

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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.