Home / 6,290.95-9,437.78-1,908.74

Finding the Fourth Proportional to 6,290.95, 9,437.78 and 1,908.74

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Solution

The fourth proportional to 6,290.95, 9,437.78 and 1,908.74 is: 2,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.95 : 9,437.78 = 1,908.74 : x
  2. Step 2: Convert to fraction form
    6,290.95/9,437.78 = 1,908.74/x
  3. Step 3: Cross multiply
    6,290.95x = 9,437.78 × 1,908.74
  4. Step 4: Simplify right side
    6,290.95x = 18,014,225.78
  5. Step 5: Solve for x
    x = 18,014,225.78/6,290.95
  6. Step 6: Final answer
    x = 2,863.52

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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.