Home / 7,085.04-10,646.74-3,800.49

Finding the Fourth Proportional to 7,085.04, 10,646.74 and 3,800.49

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Solution

The fourth proportional to 7,085.04, 10,646.74 and 3,800.49 is: 5,711.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.04 : 10,646.74 = 3,800.49 : x
  2. Step 2: Convert to fraction form
    7,085.04/10,646.74 = 3,800.49/x
  3. Step 3: Cross multiply
    7,085.04x = 10,646.74 × 3,800.49
  4. Step 4: Simplify right side
    7,085.04x = 40,462,828.90
  5. Step 5: Solve for x
    x = 40,462,828.90/7,085.04
  6. Step 6: Final answer
    x = 5,711.02

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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.