Home / 6,130.80-9,203.40-6,087.60

Finding the Fourth Proportional to 6,130.80, 9,203.40 and 6,087.60

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Solution

The fourth proportional to 6,130.80, 9,203.40 and 6,087.60 is: 9,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.80 : 9,203.40 = 6,087.60 : x
  2. Step 2: Convert to fraction form
    6,130.80/9,203.40 = 6,087.60/x
  3. Step 3: Cross multiply
    6,130.80x = 9,203.40 × 6,087.60
  4. Step 4: Simplify right side
    6,130.80x = 56,026,617.84
  5. Step 5: Solve for x
    x = 56,026,617.84/6,130.80
  6. Step 6: Final answer
    x = 9,138.55

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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.