Home / 8,921.04-13,389.72-4,541.52

Finding the Fourth Proportional to 8,921.04, 13,389.72 and 4,541.52

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Solution

The fourth proportional to 8,921.04, 13,389.72 and 4,541.52 is: 6,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.04 : 13,389.72 = 4,541.52 : x
  2. Step 2: Convert to fraction form
    8,921.04/13,389.72 = 4,541.52/x
  3. Step 3: Cross multiply
    8,921.04x = 13,389.72 × 4,541.52
  4. Step 4: Simplify right side
    8,921.04x = 60,809,681.17
  5. Step 5: Solve for x
    x = 60,809,681.17/8,921.04
  6. Step 6: Final answer
    x = 6,816.43

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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.