Home / 7,127.19-10,685.32-4,355.17

Finding the Fourth Proportional to 7,127.19, 10,685.32 and 4,355.17

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Solution

The fourth proportional to 7,127.19, 10,685.32 and 4,355.17 is: 6,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.19 : 10,685.32 = 4,355.17 : x
  2. Step 2: Convert to fraction form
    7,127.19/10,685.32 = 4,355.17/x
  3. Step 3: Cross multiply
    7,127.19x = 10,685.32 × 4,355.17
  4. Step 4: Simplify right side
    7,127.19x = 46,536,347.50
  5. Step 5: Solve for x
    x = 46,536,347.50/7,127.19
  6. Step 6: Final answer
    x = 6,529.41

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1.5x scale

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.