Home / 8,312.45-11,469.47-4,726.62

Finding the Fourth Proportional to 8,312.45, 11,469.47 and 4,726.62

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Solution

The fourth proportional to 8,312.45, 11,469.47 and 4,726.62 is: 6,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.45 : 11,469.47 = 4,726.62 : x
  2. Step 2: Convert to fraction form
    8,312.45/11,469.47 = 4,726.62/x
  3. Step 3: Cross multiply
    8,312.45x = 11,469.47 × 4,726.62
  4. Step 4: Simplify right side
    8,312.45x = 54,211,802.66
  5. Step 5: Solve for x
    x = 54,211,802.66/8,312.45
  6. Step 6: Final answer
    x = 6,521.76

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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.