Home / 7,497.20-10,345.88-4,139.96

Finding the Fourth Proportional to 7,497.20, 10,345.88 and 4,139.96

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Solution

The fourth proportional to 7,497.20, 10,345.88 and 4,139.96 is: 5,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.20 : 10,345.88 = 4,139.96 : x
  2. Step 2: Convert to fraction form
    7,497.20/10,345.88 = 4,139.96/x
  3. Step 3: Cross multiply
    7,497.20x = 10,345.88 × 4,139.96
  4. Step 4: Simplify right side
    7,497.20x = 42,831,529.36
  5. Step 5: Solve for x
    x = 42,831,529.36/7,497.20
  6. Step 6: Final answer
    x = 5,713.00

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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.