Home / 7,748.03-10,690.52-4,390.07

Finding the Fourth Proportional to 7,748.03, 10,690.52 and 4,390.07

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Solution

The fourth proportional to 7,748.03, 10,690.52 and 4,390.07 is: 6,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.03 : 10,690.52 = 4,390.07 : x
  2. Step 2: Convert to fraction form
    7,748.03/10,690.52 = 4,390.07/x
  3. Step 3: Cross multiply
    7,748.03x = 10,690.52 × 4,390.07
  4. Step 4: Simplify right side
    7,748.03x = 46,932,135.91
  5. Step 5: Solve for x
    x = 46,932,135.91/7,748.03
  6. Step 6: Final answer
    x = 6,057.30

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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.