Home / 9,787.19-13,502.94-5,807.66

Finding the Fourth Proportional to 9,787.19, 13,502.94 and 5,807.66

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Solution

The fourth proportional to 9,787.19, 13,502.94 and 5,807.66 is: 8,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.19 : 13,502.94 = 5,807.66 : x
  2. Step 2: Convert to fraction form
    9,787.19/13,502.94 = 5,807.66/x
  3. Step 3: Cross multiply
    9,787.19x = 13,502.94 × 5,807.66
  4. Step 4: Simplify right side
    9,787.19x = 78,420,417.01
  5. Step 5: Solve for x
    x = 78,420,417.01/9,787.19
  6. Step 6: Final answer
    x = 8,012.56

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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.