Home / 5,088.40-7,632.60-1,799.70

Finding the Fourth Proportional to 5,088.40, 7,632.60 and 1,799.70

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Solution

The fourth proportional to 5,088.40, 7,632.60 and 1,799.70 is: 2,699.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.40 : 7,632.60 = 1,799.70 : x
  2. Step 2: Convert to fraction form
    5,088.40/7,632.60 = 1,799.70/x
  3. Step 3: Cross multiply
    5,088.40x = 7,632.60 × 1,799.70
  4. Step 4: Simplify right side
    5,088.40x = 13,736,390.22
  5. Step 5: Solve for x
    x = 13,736,390.22/5,088.40
  6. Step 6: Final answer
    x = 2,699.55

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Similar ratio
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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.