Home / 6,928.95-10,390.02-3,966.93

Finding the Fourth Proportional to 6,928.95, 10,390.02 and 3,966.93

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Solution

The fourth proportional to 6,928.95, 10,390.02 and 3,966.93 is: 5,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,928.95 : 10,390.02 = 3,966.93 : x
  2. Step 2: Convert to fraction form
    6,928.95/10,390.02 = 3,966.93/x
  3. Step 3: Cross multiply
    6,928.95x = 10,390.02 × 3,966.93
  4. Step 4: Simplify right side
    6,928.95x = 41,216,482.04
  5. Step 5: Solve for x
    x = 41,216,482.04/6,928.95
  6. Step 6: Final answer
    x = 5,948.45

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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.