Home / 7,972.76-11,946.18-4,688.84

Finding the Fourth Proportional to 7,972.76, 11,946.18 and 4,688.84

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Solution

The fourth proportional to 7,972.76, 11,946.18 and 4,688.84 is: 7,025.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.76 : 11,946.18 = 4,688.84 : x
  2. Step 2: Convert to fraction form
    7,972.76/11,946.18 = 4,688.84/x
  3. Step 3: Cross multiply
    7,972.76x = 11,946.18 × 4,688.84
  4. Step 4: Simplify right side
    7,972.76x = 56,013,726.63
  5. Step 5: Solve for x
    x = 56,013,726.63/7,972.76
  6. Step 6: Final answer
    x = 7,025.64

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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.