Home / 4,065.40-6,098.48-1,143.70

Finding the Fourth Proportional to 4,065.40, 6,098.48 and 1,143.70

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Solution

The fourth proportional to 4,065.40, 6,098.48 and 1,143.70 is: 1,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.40 : 6,098.48 = 1,143.70 : x
  2. Step 2: Convert to fraction form
    4,065.40/6,098.48 = 1,143.70/x
  3. Step 3: Cross multiply
    4,065.40x = 6,098.48 × 1,143.70
  4. Step 4: Simplify right side
    4,065.40x = 6,974,831.58
  5. Step 5: Solve for x
    x = 6,974,831.58/4,065.40
  6. Step 6: Final answer
    x = 1,715.66

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1.5x scale

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.