Home / 7,518.12-10,376.64-4,374.72

Finding the Fourth Proportional to 7,518.12, 10,376.64 and 4,374.72

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Solution

The fourth proportional to 7,518.12, 10,376.64 and 4,374.72 is: 6,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.12 : 10,376.64 = 4,374.72 : x
  2. Step 2: Convert to fraction form
    7,518.12/10,376.64 = 4,374.72/x
  3. Step 3: Cross multiply
    7,518.12x = 10,376.64 × 4,374.72
  4. Step 4: Simplify right side
    7,518.12x = 45,394,894.54
  5. Step 5: Solve for x
    x = 45,394,894.54/7,518.12
  6. Step 6: Final answer
    x = 6,038.06

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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.