Home / 4,938.46-6,815-2,948.64

Finding the Fourth Proportional to 4,938.46, 6,815 and 2,948.64

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Solution

The fourth proportional to 4,938.46, 6,815 and 2,948.64 is: 4,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.46 : 6,815 = 2,948.64 : x
  2. Step 2: Convert to fraction form
    4,938.46/6,815 = 2,948.64/x
  3. Step 3: Cross multiply
    4,938.46x = 6,815 × 2,948.64
  4. Step 4: Simplify right side
    4,938.46x = 20,094,981.60
  5. Step 5: Solve for x
    x = 20,094,981.60/4,938.46
  6. Step 6: Final answer
    x = 4,069.08

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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.