Home / 7,331.81-10,117.63-4,345.88

Finding the Fourth Proportional to 7,331.81, 10,117.63 and 4,345.88

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Solution

The fourth proportional to 7,331.81, 10,117.63 and 4,345.88 is: 5,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.81 : 10,117.63 = 4,345.88 : x
  2. Step 2: Convert to fraction form
    7,331.81/10,117.63 = 4,345.88/x
  3. Step 3: Cross multiply
    7,331.81x = 10,117.63 × 4,345.88
  4. Step 4: Simplify right side
    7,331.81x = 43,969,944.41
  5. Step 5: Solve for x
    x = 43,969,944.41/7,331.81
  6. Step 6: Final answer
    x = 5,997.15

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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.