Home / 6,289.64-9,434.35-1,907.13

Finding the Fourth Proportional to 6,289.64, 9,434.35 and 1,907.13

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Solution

The fourth proportional to 6,289.64, 9,434.35 and 1,907.13 is: 2,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.64 : 9,434.35 = 1,907.13 : x
  2. Step 2: Convert to fraction form
    6,289.64/9,434.35 = 1,907.13/x
  3. Step 3: Cross multiply
    6,289.64x = 9,434.35 × 1,907.13
  4. Step 4: Simplify right side
    6,289.64x = 17,992,531.92
  5. Step 5: Solve for x
    x = 17,992,531.92/6,289.64
  6. Step 6: Final answer
    x = 2,860.66

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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.