Home / 5,388.12-7,435.50-3,030.26

Finding the Fourth Proportional to 5,388.12, 7,435.50 and 3,030.26

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Solution

The fourth proportional to 5,388.12, 7,435.50 and 3,030.26 is: 4,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.12 : 7,435.50 = 3,030.26 : x
  2. Step 2: Convert to fraction form
    5,388.12/7,435.50 = 3,030.26/x
  3. Step 3: Cross multiply
    5,388.12x = 7,435.50 × 3,030.26
  4. Step 4: Simplify right side
    5,388.12x = 22,531,491.51
  5. Step 5: Solve for x
    x = 22,531,491.51/5,388.12
  6. Step 6: Final answer
    x = 4,181.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.