Home / 7,756.03-10,703.31-4,219.23

Finding the Fourth Proportional to 7,756.03, 10,703.31 and 4,219.23

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Solution

The fourth proportional to 7,756.03, 10,703.31 and 4,219.23 is: 5,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.03 : 10,703.31 = 4,219.23 : x
  2. Step 2: Convert to fraction form
    7,756.03/10,703.31 = 4,219.23/x
  3. Step 3: Cross multiply
    7,756.03x = 10,703.31 × 4,219.23
  4. Step 4: Simplify right side
    7,756.03x = 45,159,726.65
  5. Step 5: Solve for x
    x = 45,159,726.65/7,756.03
  6. Step 6: Final answer
    x = 5,822.53

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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.