Home / 10,079.10-13,907.58-5,602.86

Finding the Fourth Proportional to 10,079.10, 13,907.58 and 5,602.86

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Solution

The fourth proportional to 10,079.10, 13,907.58 and 5,602.86 is: 7,731.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.10 : 13,907.58 = 5,602.86 : x
  2. Step 2: Convert to fraction form
    10,079.10/13,907.58 = 5,602.86/x
  3. Step 3: Cross multiply
    10,079.10x = 13,907.58 × 5,602.86
  4. Step 4: Simplify right side
    10,079.10x = 77,922,223.68
  5. Step 5: Solve for x
    x = 77,922,223.68/10,079.10
  6. Step 6: Final answer
    x = 7,731.07

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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.