Home / 7,761.17-10,708.65-4,403.18

Finding the Fourth Proportional to 7,761.17, 10,708.65 and 4,403.18

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Solution

The fourth proportional to 7,761.17, 10,708.65 and 4,403.18 is: 6,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761.17 : 10,708.65 = 4,403.18 : x
  2. Step 2: Convert to fraction form
    7,761.17/10,708.65 = 4,403.18/x
  3. Step 3: Cross multiply
    7,761.17x = 10,708.65 × 4,403.18
  4. Step 4: Simplify right side
    7,761.17x = 47,152,059.96
  5. Step 5: Solve for x
    x = 47,152,059.96/7,761.17
  6. Step 6: Final answer
    x = 6,075.38

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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.