Home / 4,824.78-7,237.65-2,478.35

Finding the Fourth Proportional to 4,824.78, 7,237.65 and 2,478.35

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Solution

The fourth proportional to 4,824.78, 7,237.65 and 2,478.35 is: 3,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,824.78 : 7,237.65 = 2,478.35 : x
  2. Step 2: Convert to fraction form
    4,824.78/7,237.65 = 2,478.35/x
  3. Step 3: Cross multiply
    4,824.78x = 7,237.65 × 2,478.35
  4. Step 4: Simplify right side
    4,824.78x = 17,937,381.30
  5. Step 5: Solve for x
    x = 17,937,381.30/4,824.78
  6. Step 6: Final answer
    x = 3,717.76

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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.