Home / 5,625.20-8,437.81-1,465.20

Finding the Fourth Proportional to 5,625.20, 8,437.81 and 1,465.20

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Solution

The fourth proportional to 5,625.20, 8,437.81 and 1,465.20 is: 2,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.20 : 8,437.81 = 1,465.20 : x
  2. Step 2: Convert to fraction form
    5,625.20/8,437.81 = 1,465.20/x
  3. Step 3: Cross multiply
    5,625.20x = 8,437.81 × 1,465.20
  4. Step 4: Simplify right side
    5,625.20x = 12,363,075.55
  5. Step 5: Solve for x
    x = 12,363,075.55/5,625.20
  6. Step 6: Final answer
    x = 2,197.80

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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.