Home / 6,465.17-9,697.56-1,785.46

Finding the Fourth Proportional to 6,465.17, 9,697.56 and 1,785.46

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Solution

The fourth proportional to 6,465.17, 9,697.56 and 1,785.46 is: 2,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465.17 : 9,697.56 = 1,785.46 : x
  2. Step 2: Convert to fraction form
    6,465.17/9,697.56 = 1,785.46/x
  3. Step 3: Cross multiply
    6,465.17x = 9,697.56 × 1,785.46
  4. Step 4: Simplify right side
    6,465.17x = 17,314,610.90
  5. Step 5: Solve for x
    x = 17,314,610.90/6,465.17
  6. Step 6: Final answer
    x = 2,678.14

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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.