Home / 6,928.02-9,561.21-4,275.66

Finding the Fourth Proportional to 6,928.02, 9,561.21 and 4,275.66

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Solution

The fourth proportional to 6,928.02, 9,561.21 and 4,275.66 is: 5,900.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.02 : 9,561.21 = 4,275.66 : x
  2. Step 2: Convert to fraction form
    6,928.02/9,561.21 = 4,275.66/x
  3. Step 3: Cross multiply
    6,928.02x = 9,561.21 × 4,275.66
  4. Step 4: Simplify right side
    6,928.02x = 40,880,483.15
  5. Step 5: Solve for x
    x = 40,880,483.15/6,928.02
  6. Step 6: Final answer
    x = 5,900.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.