Home / 6,148.76-9,225.90-2,639.68

Finding the Fourth Proportional to 6,148.76, 9,225.90 and 2,639.68

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Solution

The fourth proportional to 6,148.76, 9,225.90 and 2,639.68 is: 3,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.76 : 9,225.90 = 2,639.68 : x
  2. Step 2: Convert to fraction form
    6,148.76/9,225.90 = 2,639.68/x
  3. Step 3: Cross multiply
    6,148.76x = 9,225.90 × 2,639.68
  4. Step 4: Simplify right side
    6,148.76x = 24,353,423.71
  5. Step 5: Solve for x
    x = 24,353,423.71/6,148.76
  6. Step 6: Final answer
    x = 3,960.70

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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.