Home / 4,152.65-6,228.95-1,686.89

Finding the Fourth Proportional to 4,152.65, 6,228.95 and 1,686.89

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Solution

The fourth proportional to 4,152.65, 6,228.95 and 1,686.89 is: 2,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.65 : 6,228.95 = 1,686.89 : x
  2. Step 2: Convert to fraction form
    4,152.65/6,228.95 = 1,686.89/x
  3. Step 3: Cross multiply
    4,152.65x = 6,228.95 × 1,686.89
  4. Step 4: Simplify right side
    4,152.65x = 10,507,526.54
  5. Step 5: Solve for x
    x = 10,507,526.54/4,152.65
  6. Step 6: Final answer
    x = 2,530.32

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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.