Home / 6,389.30-9,585.55-6,283.35

Finding the Fourth Proportional to 6,389.30, 9,585.55 and 6,283.35

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Solution

The fourth proportional to 6,389.30, 9,585.55 and 6,283.35 is: 9,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.30 : 9,585.55 = 6,283.35 : x
  2. Step 2: Convert to fraction form
    6,389.30/9,585.55 = 6,283.35/x
  3. Step 3: Cross multiply
    6,389.30x = 9,585.55 × 6,283.35
  4. Step 4: Simplify right side
    6,389.30x = 60,229,365.59
  5. Step 5: Solve for x
    x = 60,229,365.59/6,389.30
  6. Step 6: Final answer
    x = 9,426.60

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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.