Home / 4,312.17-6,464.07-1,388.48

Finding the Fourth Proportional to 4,312.17, 6,464.07 and 1,388.48

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Solution

The fourth proportional to 4,312.17, 6,464.07 and 1,388.48 is: 2,081.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.17 : 6,464.07 = 1,388.48 : x
  2. Step 2: Convert to fraction form
    4,312.17/6,464.07 = 1,388.48/x
  3. Step 3: Cross multiply
    4,312.17x = 6,464.07 × 1,388.48
  4. Step 4: Simplify right side
    4,312.17x = 8,975,199.59
  5. Step 5: Solve for x
    x = 8,975,199.59/4,312.17
  6. Step 6: Final answer
    x = 2,081.36

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1.5x scale

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.