Home / 9,787.22-13,506.16-5,537.72

Finding the Fourth Proportional to 9,787.22, 13,506.16 and 5,537.72

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Solution

The fourth proportional to 9,787.22, 13,506.16 and 5,537.72 is: 7,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.22 : 13,506.16 = 5,537.72 : x
  2. Step 2: Convert to fraction form
    9,787.22/13,506.16 = 5,537.72/x
  3. Step 3: Cross multiply
    9,787.22x = 13,506.16 × 5,537.72
  4. Step 4: Simplify right side
    9,787.22x = 74,793,332.36
  5. Step 5: Solve for x
    x = 74,793,332.36/9,787.22
  6. Step 6: Final answer
    x = 7,641.94

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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.