Home / 5,340.29-7,373.07-4,779.79

Finding the Fourth Proportional to 5,340.29, 7,373.07 and 4,779.79

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Solution

The fourth proportional to 5,340.29, 7,373.07 and 4,779.79 is: 6,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.29 : 7,373.07 = 4,779.79 : x
  2. Step 2: Convert to fraction form
    5,340.29/7,373.07 = 4,779.79/x
  3. Step 3: Cross multiply
    5,340.29x = 7,373.07 × 4,779.79
  4. Step 4: Simplify right side
    5,340.29x = 35,241,665.49
  5. Step 5: Solve for x
    x = 35,241,665.49/5,340.29
  6. Step 6: Final answer
    x = 6,599.20

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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.