Home / 6,257.80-9,388.58-1,875.40

Finding the Fourth Proportional to 6,257.80, 9,388.58 and 1,875.40

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Solution

The fourth proportional to 6,257.80, 9,388.58 and 1,875.40 is: 2,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.80 : 9,388.58 = 1,875.40 : x
  2. Step 2: Convert to fraction form
    6,257.80/9,388.58 = 1,875.40/x
  3. Step 3: Cross multiply
    6,257.80x = 9,388.58 × 1,875.40
  4. Step 4: Simplify right side
    6,257.80x = 17,607,342.93
  5. Step 5: Solve for x
    x = 17,607,342.93/6,257.80
  6. Step 6: Final answer
    x = 2,813.66

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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.