Home / 7,518.30-10,374.31-4,160.64

Finding the Fourth Proportional to 7,518.30, 10,374.31 and 4,160.64

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Solution

The fourth proportional to 7,518.30, 10,374.31 and 4,160.64 is: 5,741.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.30 : 10,374.31 = 4,160.64 : x
  2. Step 2: Convert to fraction form
    7,518.30/10,374.31 = 4,160.64/x
  3. Step 3: Cross multiply
    7,518.30x = 10,374.31 × 4,160.64
  4. Step 4: Simplify right side
    7,518.30x = 43,163,813.26
  5. Step 5: Solve for x
    x = 43,163,813.26/7,518.30
  6. Step 6: Final answer
    x = 5,741.17

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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.