Home / 7,101.18-9,787.23-6,286.59

Finding the Fourth Proportional to 7,101.18, 9,787.23 and 6,286.59

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Solution

The fourth proportional to 7,101.18, 9,787.23 and 6,286.59 is: 8,664.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.18 : 9,787.23 = 6,286.59 : x
  2. Step 2: Convert to fraction form
    7,101.18/9,787.23 = 6,286.59/x
  3. Step 3: Cross multiply
    7,101.18x = 9,787.23 × 6,286.59
  4. Step 4: Simplify right side
    7,101.18x = 61,528,302.25
  5. Step 5: Solve for x
    x = 61,528,302.25/7,101.18
  6. Step 6: Final answer
    x = 8,664.52

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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.