Home / 7,315.20-10,964.70-4,030.65

Finding the Fourth Proportional to 7,315.20, 10,964.70 and 4,030.65

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Solution

The fourth proportional to 7,315.20, 10,964.70 and 4,030.65 is: 6,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.20 : 10,964.70 = 4,030.65 : x
  2. Step 2: Convert to fraction form
    7,315.20/10,964.70 = 4,030.65/x
  3. Step 3: Cross multiply
    7,315.20x = 10,964.70 × 4,030.65
  4. Step 4: Simplify right side
    7,315.20x = 44,194,868.06
  5. Step 5: Solve for x
    x = 44,194,868.06/7,315.20
  6. Step 6: Final answer
    x = 6,041.51

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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.