Home / 4,237.80-6,356.88-1,316.16

Finding the Fourth Proportional to 4,237.80, 6,356.88 and 1,316.16

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Solution

The fourth proportional to 4,237.80, 6,356.88 and 1,316.16 is: 1,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,237.80 : 6,356.88 = 1,316.16 : x
  2. Step 2: Convert to fraction form
    4,237.80/6,356.88 = 1,316.16/x
  3. Step 3: Cross multiply
    4,237.80x = 6,356.88 × 1,316.16
  4. Step 4: Simplify right side
    4,237.80x = 8,366,671.18
  5. Step 5: Solve for x
    x = 8,366,671.18/4,237.80
  6. Step 6: Final answer
    x = 1,974.30

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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.