Home / 4,228.40-6,312.04-3,710

Finding the Fourth Proportional to 4,228.40, 6,312.04 and 3,710

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Solution

The fourth proportional to 4,228.40, 6,312.04 and 3,710 is: 5,538.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.40 : 6,312.04 = 3,710 : x
  2. Step 2: Convert to fraction form
    4,228.40/6,312.04 = 3,710/x
  3. Step 3: Cross multiply
    4,228.40x = 6,312.04 × 3,710
  4. Step 4: Simplify right side
    4,228.40x = 23,417,668.40
  5. Step 5: Solve for x
    x = 23,417,668.40/4,228.40
  6. Step 6: Final answer
    x = 5,538.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.