Home / 4,158.60-6,235.80-1,384.28

Finding the Fourth Proportional to 4,158.60, 6,235.80 and 1,384.28

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Solution

The fourth proportional to 4,158.60, 6,235.80 and 1,384.28 is: 2,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.60 : 6,235.80 = 1,384.28 : x
  2. Step 2: Convert to fraction form
    4,158.60/6,235.80 = 1,384.28/x
  3. Step 3: Cross multiply
    4,158.60x = 6,235.80 × 1,384.28
  4. Step 4: Simplify right side
    4,158.60x = 8,632,093.22
  5. Step 5: Solve for x
    x = 8,632,093.22/4,158.60
  6. Step 6: Final answer
    x = 2,075.72

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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.