Home / 6,878.93-10,320.95-2,931.39

Finding the Fourth Proportional to 6,878.93, 10,320.95 and 2,931.39

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Solution

The fourth proportional to 6,878.93, 10,320.95 and 2,931.39 is: 4,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.93 : 10,320.95 = 2,931.39 : x
  2. Step 2: Convert to fraction form
    6,878.93/10,320.95 = 2,931.39/x
  3. Step 3: Cross multiply
    6,878.93x = 10,320.95 × 2,931.39
  4. Step 4: Simplify right side
    6,878.93x = 30,254,736.95
  5. Step 5: Solve for x
    x = 30,254,736.95/6,878.93
  6. Step 6: Final answer
    x = 4,398.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.