Home / 5,030.90-7,557.28-3,390.65

Finding the Fourth Proportional to 5,030.90, 7,557.28 and 3,390.65

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Solution

The fourth proportional to 5,030.90, 7,557.28 and 3,390.65 is: 5,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.90 : 7,557.28 = 3,390.65 : x
  2. Step 2: Convert to fraction form
    5,030.90/7,557.28 = 3,390.65/x
  3. Step 3: Cross multiply
    5,030.90x = 7,557.28 × 3,390.65
  4. Step 4: Simplify right side
    5,030.90x = 25,624,036.69
  5. Step 5: Solve for x
    x = 25,624,036.69/5,030.90
  6. Step 6: Final answer
    x = 5,093.34

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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.