Home / 4,574.68-6,312.98-2,478.80

Finding the Fourth Proportional to 4,574.68, 6,312.98 and 2,478.80

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Solution

The fourth proportional to 4,574.68, 6,312.98 and 2,478.80 is: 3,420.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.68 : 6,312.98 = 2,478.80 : x
  2. Step 2: Convert to fraction form
    4,574.68/6,312.98 = 2,478.80/x
  3. Step 3: Cross multiply
    4,574.68x = 6,312.98 × 2,478.80
  4. Step 4: Simplify right side
    4,574.68x = 15,648,636.80
  5. Step 5: Solve for x
    x = 15,648,636.80/4,574.68
  6. Step 6: Final answer
    x = 3,420.71

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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.