Home / 6,819.90-9,421.02-5,267.94

Finding the Fourth Proportional to 6,819.90, 9,421.02 and 5,267.94

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Solution

The fourth proportional to 6,819.90, 9,421.02 and 5,267.94 is: 7,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.90 : 9,421.02 = 5,267.94 : x
  2. Step 2: Convert to fraction form
    6,819.90/9,421.02 = 5,267.94/x
  3. Step 3: Cross multiply
    6,819.90x = 9,421.02 × 5,267.94
  4. Step 4: Simplify right side
    6,819.90x = 49,629,368.10
  5. Step 5: Solve for x
    x = 49,629,368.10/6,819.90
  6. Step 6: Final answer
    x = 7,277.14

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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.