Home / 9,862.80-13,610.26-5,386.55

Finding the Fourth Proportional to 9,862.80, 13,610.26 and 5,386.55

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Solution

The fourth proportional to 9,862.80, 13,610.26 and 5,386.55 is: 7,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.80 : 13,610.26 = 5,386.55 : x
  2. Step 2: Convert to fraction form
    9,862.80/13,610.26 = 5,386.55/x
  3. Step 3: Cross multiply
    9,862.80x = 13,610.26 × 5,386.55
  4. Step 4: Simplify right side
    9,862.80x = 73,312,346.00
  5. Step 5: Solve for x
    x = 73,312,346.00/9,862.80
  6. Step 6: Final answer
    x = 7,433.22

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1.5x scale

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.