Home / 6,378.28-9,567.46-5,557.18

Finding the Fourth Proportional to 6,378.28, 9,567.46 and 5,557.18

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Solution

The fourth proportional to 6,378.28, 9,567.46 and 5,557.18 is: 8,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.28 : 9,567.46 = 5,557.18 : x
  2. Step 2: Convert to fraction form
    6,378.28/9,567.46 = 5,557.18/x
  3. Step 3: Cross multiply
    6,378.28x = 9,567.46 × 5,557.18
  4. Step 4: Simplify right side
    6,378.28x = 53,168,097.36
  5. Step 5: Solve for x
    x = 53,168,097.36/6,378.28
  6. Step 6: Final answer
    x = 8,335.80

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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.