Home / 6,938.04-10,400.78-2,554.40

Finding the Fourth Proportional to 6,938.04, 10,400.78 and 2,554.40

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Solution

The fourth proportional to 6,938.04, 10,400.78 and 2,554.40 is: 3,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.04 : 10,400.78 = 2,554.40 : x
  2. Step 2: Convert to fraction form
    6,938.04/10,400.78 = 2,554.40/x
  3. Step 3: Cross multiply
    6,938.04x = 10,400.78 × 2,554.40
  4. Step 4: Simplify right side
    6,938.04x = 26,567,752.43
  5. Step 5: Solve for x
    x = 26,567,752.43/6,938.04
  6. Step 6: Final answer
    x = 3,829.29

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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.