Home / 4,574.61-6,312.97-2,478.74

Finding the Fourth Proportional to 4,574.61, 6,312.97 and 2,478.74

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Solution

The fourth proportional to 4,574.61, 6,312.97 and 2,478.74 is: 3,420.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.61 : 6,312.97 = 2,478.74 : x
  2. Step 2: Convert to fraction form
    4,574.61/6,312.97 = 2,478.74/x
  3. Step 3: Cross multiply
    4,574.61x = 6,312.97 × 2,478.74
  4. Step 4: Simplify right side
    4,574.61x = 15,648,179.69
  5. Step 5: Solve for x
    x = 15,648,179.69/4,574.61
  6. Step 6: Final answer
    x = 3,420.66

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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.