Home / 7,502.81-10,353.76-4,145.77

Finding the Fourth Proportional to 7,502.81, 10,353.76 and 4,145.77

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Solution

The fourth proportional to 7,502.81, 10,353.76 and 4,145.77 is: 5,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.81 : 10,353.76 = 4,145.77 : x
  2. Step 2: Convert to fraction form
    7,502.81/10,353.76 = 4,145.77/x
  3. Step 3: Cross multiply
    7,502.81x = 10,353.76 × 4,145.77
  4. Step 4: Simplify right side
    7,502.81x = 42,924,251.93
  5. Step 5: Solve for x
    x = 42,924,251.93/7,502.81
  6. Step 6: Final answer
    x = 5,721.09

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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.