Home / 9,877.55-13,629.67-5,897.81

Finding the Fourth Proportional to 9,877.55, 13,629.67 and 5,897.81

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Solution

The fourth proportional to 9,877.55, 13,629.67 and 5,897.81 is: 8,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877.55 : 13,629.67 = 5,897.81 : x
  2. Step 2: Convert to fraction form
    9,877.55/13,629.67 = 5,897.81/x
  3. Step 3: Cross multiply
    9,877.55x = 13,629.67 × 5,897.81
  4. Step 4: Simplify right side
    9,877.55x = 80,385,223.35
  5. Step 5: Solve for x
    x = 80,385,223.35/9,877.55
  6. Step 6: Final answer
    x = 8,138.18

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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.