Home / 4,510.29-6,766.20-1,390.23

Finding the Fourth Proportional to 4,510.29, 6,766.20 and 1,390.23

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Solution

The fourth proportional to 4,510.29, 6,766.20 and 1,390.23 is: 2,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,510.29 : 6,766.20 = 1,390.23 : x
  2. Step 2: Convert to fraction form
    4,510.29/6,766.20 = 1,390.23/x
  3. Step 3: Cross multiply
    4,510.29x = 6,766.20 × 1,390.23
  4. Step 4: Simplify right side
    4,510.29x = 9,406,574.23
  5. Step 5: Solve for x
    x = 9,406,574.23/4,510.29
  6. Step 6: Final answer
    x = 2,085.58

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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.