Home / 6,453.77-9,678.50-2,070.19

Finding the Fourth Proportional to 6,453.77, 9,678.50 and 2,070.19

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Solution

The fourth proportional to 6,453.77, 9,678.50 and 2,070.19 is: 3,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.77 : 9,678.50 = 2,070.19 : x
  2. Step 2: Convert to fraction form
    6,453.77/9,678.50 = 2,070.19/x
  3. Step 3: Cross multiply
    6,453.77x = 9,678.50 × 2,070.19
  4. Step 4: Simplify right side
    6,453.77x = 20,036,275.17
  5. Step 5: Solve for x
    x = 20,036,275.17/6,453.77
  6. Step 6: Final answer
    x = 3,104.58

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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.