Home / 6,286.95-9,430.47-1,904.40

Finding the Fourth Proportional to 6,286.95, 9,430.47 and 1,904.40

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Solution

The fourth proportional to 6,286.95, 9,430.47 and 1,904.40 is: 2,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.95 : 9,430.47 = 1,904.40 : x
  2. Step 2: Convert to fraction form
    6,286.95/9,430.47 = 1,904.40/x
  3. Step 3: Cross multiply
    6,286.95x = 9,430.47 × 1,904.40
  4. Step 4: Simplify right side
    6,286.95x = 17,959,387.07
  5. Step 5: Solve for x
    x = 17,959,387.07/6,286.95
  6. Step 6: Final answer
    x = 2,856.61

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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.