Home / 6,907.40-10,359.60-1,975.71

Finding the Fourth Proportional to 6,907.40, 10,359.60 and 1,975.71

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Solution

The fourth proportional to 6,907.40, 10,359.60 and 1,975.71 is: 2,963.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.40 : 10,359.60 = 1,975.71 : x
  2. Step 2: Convert to fraction form
    6,907.40/10,359.60 = 1,975.71/x
  3. Step 3: Cross multiply
    6,907.40x = 10,359.60 × 1,975.71
  4. Step 4: Simplify right side
    6,907.40x = 20,467,565.32
  5. Step 5: Solve for x
    x = 20,467,565.32/6,907.40
  6. Step 6: Final answer
    x = 2,963.14

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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.