Home / 9,854.40-13,599.36-5,664

Finding the Fourth Proportional to 9,854.40, 13,599.36 and 5,664

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Solution

The fourth proportional to 9,854.40, 13,599.36 and 5,664 is: 7,816.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,854.40 : 13,599.36 = 5,664 : x
  2. Step 2: Convert to fraction form
    9,854.40/13,599.36 = 5,664/x
  3. Step 3: Cross multiply
    9,854.40x = 13,599.36 × 5,664
  4. Step 4: Simplify right side
    9,854.40x = 77,026,775.04
  5. Step 5: Solve for x
    x = 77,026,775.04/9,854.40
  6. Step 6: Final answer
    x = 7,816.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.