Home / 7,799.64-10,766.54-5,280.52

Finding the Fourth Proportional to 7,799.64, 10,766.54 and 5,280.52

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Solution

The fourth proportional to 7,799.64, 10,766.54 and 5,280.52 is: 7,289.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.64 : 10,766.54 = 5,280.52 : x
  2. Step 2: Convert to fraction form
    7,799.64/10,766.54 = 5,280.52/x
  3. Step 3: Cross multiply
    7,799.64x = 10,766.54 × 5,280.52
  4. Step 4: Simplify right side
    7,799.64x = 56,852,929.80
  5. Step 5: Solve for x
    x = 56,852,929.80/7,799.64
  6. Step 6: Final answer
    x = 7,289.17

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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.