Home / 7,743.99-10,686.60-4,386.74

Finding the Fourth Proportional to 7,743.99, 10,686.60 and 4,386.74

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Solution

The fourth proportional to 7,743.99, 10,686.60 and 4,386.74 is: 6,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.99 : 10,686.60 = 4,386.74 : x
  2. Step 2: Convert to fraction form
    7,743.99/10,686.60 = 4,386.74/x
  3. Step 3: Cross multiply
    7,743.99x = 10,686.60 × 4,386.74
  4. Step 4: Simplify right side
    7,743.99x = 46,879,282.25
  5. Step 5: Solve for x
    x = 46,879,282.25/7,743.99
  6. Step 6: Final answer
    x = 6,053.63

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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.