Home / 4,695.24-7,040.78-1,407.70

Finding the Fourth Proportional to 4,695.24, 7,040.78 and 1,407.70

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Solution

The fourth proportional to 4,695.24, 7,040.78 and 1,407.70 is: 2,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.24 : 7,040.78 = 1,407.70 : x
  2. Step 2: Convert to fraction form
    4,695.24/7,040.78 = 1,407.70/x
  3. Step 3: Cross multiply
    4,695.24x = 7,040.78 × 1,407.70
  4. Step 4: Simplify right side
    4,695.24x = 9,911,306.01
  5. Step 5: Solve for x
    x = 9,911,306.01/4,695.24
  6. Step 6: Final answer
    x = 2,110.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.