Home / 7,686.04-11,528.70-3,065.80

Finding the Fourth Proportional to 7,686.04, 11,528.70 and 3,065.80

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Solution

The fourth proportional to 7,686.04, 11,528.70 and 3,065.80 is: 4,598.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.04 : 11,528.70 = 3,065.80 : x
  2. Step 2: Convert to fraction form
    7,686.04/11,528.70 = 3,065.80/x
  3. Step 3: Cross multiply
    7,686.04x = 11,528.70 × 3,065.80
  4. Step 4: Simplify right side
    7,686.04x = 35,344,688.46
  5. Step 5: Solve for x
    x = 35,344,688.46/7,686.04
  6. Step 6: Final answer
    x = 4,598.56

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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.