Home / 4,389.68-6,057.69-2,400.20

Finding the Fourth Proportional to 4,389.68, 6,057.69 and 2,400.20

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Solution

The fourth proportional to 4,389.68, 6,057.69 and 2,400.20 is: 3,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.68 : 6,057.69 = 2,400.20 : x
  2. Step 2: Convert to fraction form
    4,389.68/6,057.69 = 2,400.20/x
  3. Step 3: Cross multiply
    4,389.68x = 6,057.69 × 2,400.20
  4. Step 4: Simplify right side
    4,389.68x = 14,539,637.25
  5. Step 5: Solve for x
    x = 14,539,637.25/4,389.68
  6. Step 6: Final answer
    x = 3,312.24

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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.