Home / 7,141.08-10,698.62-6,985.56

Finding the Fourth Proportional to 7,141.08, 10,698.62 and 6,985.56

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Solution

The fourth proportional to 7,141.08, 10,698.62 and 6,985.56 is: 10,465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.08 : 10,698.62 = 6,985.56 : x
  2. Step 2: Convert to fraction form
    7,141.08/10,698.62 = 6,985.56/x
  3. Step 3: Cross multiply
    7,141.08x = 10,698.62 × 6,985.56
  4. Step 4: Simplify right side
    7,141.08x = 74,735,851.93
  5. Step 5: Solve for x
    x = 74,735,851.93/7,141.08
  6. Step 6: Final answer
    x = 10,465.62

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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.