Home / 4,928.32-7,384.80-4,374.16

Finding the Fourth Proportional to 4,928.32, 7,384.80 and 4,374.16

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Solution

The fourth proportional to 4,928.32, 7,384.80 and 4,374.16 is: 6,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.32 : 7,384.80 = 4,374.16 : x
  2. Step 2: Convert to fraction form
    4,928.32/7,384.80 = 4,374.16/x
  3. Step 3: Cross multiply
    4,928.32x = 7,384.80 × 4,374.16
  4. Step 4: Simplify right side
    4,928.32x = 32,302,296.77
  5. Step 5: Solve for x
    x = 32,302,296.77/4,928.32
  6. Step 6: Final answer
    x = 6,554.42

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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.