Home / 7,278.59-10,917.36-2,598.07

Finding the Fourth Proportional to 7,278.59, 10,917.36 and 2,598.07

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Solution

The fourth proportional to 7,278.59, 10,917.36 and 2,598.07 is: 3,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.59 : 10,917.36 = 2,598.07 : x
  2. Step 2: Convert to fraction form
    7,278.59/10,917.36 = 2,598.07/x
  3. Step 3: Cross multiply
    7,278.59x = 10,917.36 × 2,598.07
  4. Step 4: Simplify right side
    7,278.59x = 28,364,065.50
  5. Step 5: Solve for x
    x = 28,364,065.50/7,278.59
  6. Step 6: Final answer
    x = 3,896.92

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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.