Home / 6,130.47-9,189.32-2,840.85

Finding the Fourth Proportional to 6,130.47, 9,189.32 and 2,840.85

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Solution

The fourth proportional to 6,130.47, 9,189.32 and 2,840.85 is: 4,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.47 : 9,189.32 = 2,840.85 : x
  2. Step 2: Convert to fraction form
    6,130.47/9,189.32 = 2,840.85/x
  3. Step 3: Cross multiply
    6,130.47x = 9,189.32 × 2,840.85
  4. Step 4: Simplify right side
    6,130.47x = 26,105,465.52
  5. Step 5: Solve for x
    x = 26,105,465.52/6,130.47
  6. Step 6: Final answer
    x = 4,258.31

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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.