Home / 4,315.10-6,472.64-1,393.40

Finding the Fourth Proportional to 4,315.10, 6,472.64 and 1,393.40

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Solution

The fourth proportional to 4,315.10, 6,472.64 and 1,393.40 is: 2,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.10 : 6,472.64 = 1,393.40 : x
  2. Step 2: Convert to fraction form
    4,315.10/6,472.64 = 1,393.40/x
  3. Step 3: Cross multiply
    4,315.10x = 6,472.64 × 1,393.40
  4. Step 4: Simplify right side
    4,315.10x = 9,018,937.25
  5. Step 5: Solve for x
    x = 9,018,937.25/4,315.10
  6. Step 6: Final answer
    x = 2,090.09

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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.