Home / 7,070.28-10,605.69-3,558.39

Finding the Fourth Proportional to 7,070.28, 10,605.69 and 3,558.39

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Solution

The fourth proportional to 7,070.28, 10,605.69 and 3,558.39 is: 5,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.28 : 10,605.69 = 3,558.39 : x
  2. Step 2: Convert to fraction form
    7,070.28/10,605.69 = 3,558.39/x
  3. Step 3: Cross multiply
    7,070.28x = 10,605.69 × 3,558.39
  4. Step 4: Simplify right side
    7,070.28x = 37,739,181.24
  5. Step 5: Solve for x
    x = 37,739,181.24/7,070.28
  6. Step 6: Final answer
    x = 5,337.72

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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.