Home / 7,954.16-10,976.88-4,417.28

Finding the Fourth Proportional to 7,954.16, 10,976.88 and 4,417.28

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Solution

The fourth proportional to 7,954.16, 10,976.88 and 4,417.28 is: 6,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.16 : 10,976.88 = 4,417.28 : x
  2. Step 2: Convert to fraction form
    7,954.16/10,976.88 = 4,417.28/x
  3. Step 3: Cross multiply
    7,954.16x = 10,976.88 × 4,417.28
  4. Step 4: Simplify right side
    7,954.16x = 48,487,952.49
  5. Step 5: Solve for x
    x = 48,487,952.49/7,954.16
  6. Step 6: Final answer
    x = 6,095.92

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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.