Home / 7,411.23-10,223.82-4,721.76

Finding the Fourth Proportional to 7,411.23, 10,223.82 and 4,721.76

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Solution

The fourth proportional to 7,411.23, 10,223.82 and 4,721.76 is: 6,513.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.23 : 10,223.82 = 4,721.76 : x
  2. Step 2: Convert to fraction form
    7,411.23/10,223.82 = 4,721.76/x
  3. Step 3: Cross multiply
    7,411.23x = 10,223.82 × 4,721.76
  4. Step 4: Simplify right side
    7,411.23x = 48,274,424.32
  5. Step 5: Solve for x
    x = 48,274,424.32/7,411.23
  6. Step 6: Final answer
    x = 6,513.69

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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.