Home / 7,521.01-10,378.74-4,163.95

Finding the Fourth Proportional to 7,521.01, 10,378.74 and 4,163.95

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Solution

The fourth proportional to 7,521.01, 10,378.74 and 4,163.95 is: 5,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.01 : 10,378.74 = 4,163.95 : x
  2. Step 2: Convert to fraction form
    7,521.01/10,378.74 = 4,163.95/x
  3. Step 3: Cross multiply
    7,521.01x = 10,378.74 × 4,163.95
  4. Step 4: Simplify right side
    7,521.01x = 43,216,554.42
  5. Step 5: Solve for x
    x = 43,216,554.42/7,521.01
  6. Step 6: Final answer
    x = 5,746.11

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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.