Home / 7,743.90-10,686.96-4,386.54

Finding the Fourth Proportional to 7,743.90, 10,686.96 and 4,386.54

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Solution

The fourth proportional to 7,743.90, 10,686.96 and 4,386.54 is: 6,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.90 : 10,686.96 = 4,386.54 : x
  2. Step 2: Convert to fraction form
    7,743.90/10,686.96 = 4,386.54/x
  3. Step 3: Cross multiply
    7,743.90x = 10,686.96 × 4,386.54
  4. Step 4: Simplify right side
    7,743.90x = 46,878,777.52
  5. Step 5: Solve for x
    x = 46,878,777.52/7,743.90
  6. Step 6: Final answer
    x = 6,053.64

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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.