Home / 7,888.16-11,826.34-4,767.45

Finding the Fourth Proportional to 7,888.16, 11,826.34 and 4,767.45

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Solution

The fourth proportional to 7,888.16, 11,826.34 and 4,767.45 is: 7,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.16 : 11,826.34 = 4,767.45 : x
  2. Step 2: Convert to fraction form
    7,888.16/11,826.34 = 4,767.45/x
  3. Step 3: Cross multiply
    7,888.16x = 11,826.34 × 4,767.45
  4. Step 4: Simplify right side
    7,888.16x = 56,381,521.71
  5. Step 5: Solve for x
    x = 56,381,521.71/7,888.16
  6. Step 6: Final answer
    x = 7,147.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.