Home / 7,808.27-10,775.18-4,271.24

Finding the Fourth Proportional to 7,808.27, 10,775.18 and 4,271.24

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Solution

The fourth proportional to 7,808.27, 10,775.18 and 4,271.24 is: 5,894.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.27 : 10,775.18 = 4,271.24 : x
  2. Step 2: Convert to fraction form
    7,808.27/10,775.18 = 4,271.24/x
  3. Step 3: Cross multiply
    7,808.27x = 10,775.18 × 4,271.24
  4. Step 4: Simplify right side
    7,808.27x = 46,023,417.44
  5. Step 5: Solve for x
    x = 46,023,417.44/7,808.27
  6. Step 6: Final answer
    x = 5,894.19

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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.