Home / 4,574.25-6,312.47-2,478.38

Finding the Fourth Proportional to 4,574.25, 6,312.47 and 2,478.38

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Solution

The fourth proportional to 4,574.25, 6,312.47 and 2,478.38 is: 3,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.25 : 6,312.47 = 2,478.38 : x
  2. Step 2: Convert to fraction form
    4,574.25/6,312.47 = 2,478.38/x
  3. Step 3: Cross multiply
    4,574.25x = 6,312.47 × 2,478.38
  4. Step 4: Simplify right side
    4,574.25x = 15,644,655.44
  5. Step 5: Solve for x
    x = 15,644,655.44/4,574.25
  6. Step 6: Final answer
    x = 3,420.16

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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.