Home / 4,237.50-6,356.30-1,315.82

Finding the Fourth Proportional to 4,237.50, 6,356.30 and 1,315.82

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Solution

The fourth proportional to 4,237.50, 6,356.30 and 1,315.82 is: 1,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,237.50 : 6,356.30 = 1,315.82 : x
  2. Step 2: Convert to fraction form
    4,237.50/6,356.30 = 1,315.82/x
  3. Step 3: Cross multiply
    4,237.50x = 6,356.30 × 1,315.82
  4. Step 4: Simplify right side
    4,237.50x = 8,363,746.67
  5. Step 5: Solve for x
    x = 8,363,746.67/4,237.50
  6. Step 6: Final answer
    x = 1,973.75

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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.