Home / 7,743.18-10,685.88-4,386.15

Finding the Fourth Proportional to 7,743.18, 10,685.88 and 4,386.15

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Solution

The fourth proportional to 7,743.18, 10,685.88 and 4,386.15 is: 6,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.18 : 10,685.88 = 4,386.15 : x
  2. Step 2: Convert to fraction form
    7,743.18/10,685.88 = 4,386.15/x
  3. Step 3: Cross multiply
    7,743.18x = 10,685.88 × 4,386.15
  4. Step 4: Simplify right side
    7,743.18x = 46,869,872.56
  5. Step 5: Solve for x
    x = 46,869,872.56/7,743.18
  6. Step 6: Final answer
    x = 6,053.05

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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.