Home / 6,875.78-10,299.32-4,398.02

Finding the Fourth Proportional to 6,875.78, 10,299.32 and 4,398.02

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Solution

The fourth proportional to 6,875.78, 10,299.32 and 4,398.02 is: 6,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.78 : 10,299.32 = 4,398.02 : x
  2. Step 2: Convert to fraction form
    6,875.78/10,299.32 = 4,398.02/x
  3. Step 3: Cross multiply
    6,875.78x = 10,299.32 × 4,398.02
  4. Step 4: Simplify right side
    6,875.78x = 45,296,541.86
  5. Step 5: Solve for x
    x = 45,296,541.86/6,875.78
  6. Step 6: Final answer
    x = 6,587.84

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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.