Home / 7,743.15-10,686.27-4,386.12

Finding the Fourth Proportional to 7,743.15, 10,686.27 and 4,386.12

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Solution

The fourth proportional to 7,743.15, 10,686.27 and 4,386.12 is: 6,053.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.15 : 10,686.27 = 4,386.12 : x
  2. Step 2: Convert to fraction form
    7,743.15/10,686.27 = 4,386.12/x
  3. Step 3: Cross multiply
    7,743.15x = 10,686.27 × 4,386.12
  4. Step 4: Simplify right side
    7,743.15x = 46,871,262.57
  5. Step 5: Solve for x
    x = 46,871,262.57/7,743.15
  6. Step 6: Final answer
    x = 6,053.26

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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.