Home / 7,389.60-11,022.09-6,281.52

Finding the Fourth Proportional to 7,389.60, 11,022.09 and 6,281.52

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Solution

The fourth proportional to 7,389.60, 11,022.09 and 6,281.52 is: 9,369.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.60 : 11,022.09 = 6,281.52 : x
  2. Step 2: Convert to fraction form
    7,389.60/11,022.09 = 6,281.52/x
  3. Step 3: Cross multiply
    7,389.60x = 11,022.09 × 6,281.52
  4. Step 4: Simplify right side
    7,389.60x = 69,235,478.78
  5. Step 5: Solve for x
    x = 69,235,478.78/7,389.60
  6. Step 6: Final answer
    x = 9,369.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.