Home / 7,808.28-10,775.51-4,271.42

Finding the Fourth Proportional to 7,808.28, 10,775.51 and 4,271.42

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Solution

The fourth proportional to 7,808.28, 10,775.51 and 4,271.42 is: 5,894.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.28 : 10,775.51 = 4,271.42 : x
  2. Step 2: Convert to fraction form
    7,808.28/10,775.51 = 4,271.42/x
  3. Step 3: Cross multiply
    7,808.28x = 10,775.51 × 4,271.42
  4. Step 4: Simplify right side
    7,808.28x = 46,026,728.92
  5. Step 5: Solve for x
    x = 46,026,728.92/7,808.28
  6. Step 6: Final answer
    x = 5,894.61

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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.