Home / 7,484.96-10,317.84-5,119.76

Finding the Fourth Proportional to 7,484.96, 10,317.84 and 5,119.76

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Solution

The fourth proportional to 7,484.96, 10,317.84 and 5,119.76 is: 7,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.96 : 10,317.84 = 5,119.76 : x
  2. Step 2: Convert to fraction form
    7,484.96/10,317.84 = 5,119.76/x
  3. Step 3: Cross multiply
    7,484.96x = 10,317.84 × 5,119.76
  4. Step 4: Simplify right side
    7,484.96x = 52,824,864.52
  5. Step 5: Solve for x
    x = 52,824,864.52/7,484.96
  6. Step 6: Final answer
    x = 7,057.47

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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.