Home / 7,742.99-10,686.03-4,387.34

Finding the Fourth Proportional to 7,742.99, 10,686.03 and 4,387.34

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Solution

The fourth proportional to 7,742.99, 10,686.03 and 4,387.34 is: 6,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.99 : 10,686.03 = 4,387.34 : x
  2. Step 2: Convert to fraction form
    7,742.99/10,686.03 = 4,387.34/x
  3. Step 3: Cross multiply
    7,742.99x = 10,686.03 × 4,387.34
  4. Step 4: Simplify right side
    7,742.99x = 46,883,246.86
  5. Step 5: Solve for x
    x = 46,883,246.86/7,742.99
  6. Step 6: Final answer
    x = 6,054.93

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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.