Home / 5,470.80-8,197.40-4,369.36

Finding the Fourth Proportional to 5,470.80, 8,197.40 and 4,369.36

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Solution

The fourth proportional to 5,470.80, 8,197.40 and 4,369.36 is: 6,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.80 : 8,197.40 = 4,369.36 : x
  2. Step 2: Convert to fraction form
    5,470.80/8,197.40 = 4,369.36/x
  3. Step 3: Cross multiply
    5,470.80x = 8,197.40 × 4,369.36
  4. Step 4: Simplify right side
    5,470.80x = 35,817,391.66
  5. Step 5: Solve for x
    x = 35,817,391.66/5,470.80
  6. Step 6: Final answer
    x = 6,547.01

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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.