Home / 6,877.80-10,360.53-6,280.02

Finding the Fourth Proportional to 6,877.80, 10,360.53 and 6,280.02

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Solution

The fourth proportional to 6,877.80, 10,360.53 and 6,280.02 is: 9,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.80 : 10,360.53 = 6,280.02 : x
  2. Step 2: Convert to fraction form
    6,877.80/10,360.53 = 6,280.02/x
  3. Step 3: Cross multiply
    6,877.80x = 10,360.53 × 6,280.02
  4. Step 4: Simplify right side
    6,877.80x = 65,064,335.61
  5. Step 5: Solve for x
    x = 65,064,335.61/6,877.80
  6. Step 6: Final answer
    x = 9,460.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.