Home / 6,840.90-10,255.28-2,457.18

Finding the Fourth Proportional to 6,840.90, 10,255.28 and 2,457.18

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Solution

The fourth proportional to 6,840.90, 10,255.28 and 2,457.18 is: 3,683.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.90 : 10,255.28 = 2,457.18 : x
  2. Step 2: Convert to fraction form
    6,840.90/10,255.28 = 2,457.18/x
  3. Step 3: Cross multiply
    6,840.90x = 10,255.28 × 2,457.18
  4. Step 4: Simplify right side
    6,840.90x = 25,199,056.62
  5. Step 5: Solve for x
    x = 25,199,056.62/6,840.90
  6. Step 6: Final answer
    x = 3,683.59

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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.