Home / 4,154.59-6,230.01-1,521.31

Finding the Fourth Proportional to 4,154.59, 6,230.01 and 1,521.31

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Solution

The fourth proportional to 4,154.59, 6,230.01 and 1,521.31 is: 2,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.59 : 6,230.01 = 1,521.31 : x
  2. Step 2: Convert to fraction form
    4,154.59/6,230.01 = 1,521.31/x
  3. Step 3: Cross multiply
    4,154.59x = 6,230.01 × 1,521.31
  4. Step 4: Simplify right side
    4,154.59x = 9,477,776.51
  5. Step 5: Solve for x
    x = 9,477,776.51/4,154.59
  6. Step 6: Final answer
    x = 2,281.28

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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.