Home / 7,065.51-10,602.53-2,686.65

Finding the Fourth Proportional to 7,065.51, 10,602.53 and 2,686.65

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Solution

The fourth proportional to 7,065.51, 10,602.53 and 2,686.65 is: 4,031.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.51 : 10,602.53 = 2,686.65 : x
  2. Step 2: Convert to fraction form
    7,065.51/10,602.53 = 2,686.65/x
  3. Step 3: Cross multiply
    7,065.51x = 10,602.53 × 2,686.65
  4. Step 4: Simplify right side
    7,065.51x = 28,485,273.79
  5. Step 5: Solve for x
    x = 28,485,273.79/7,065.51
  6. Step 6: Final answer
    x = 4,031.59

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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.