Home / 7,378.95-10,185.09-4,827.08

Finding the Fourth Proportional to 7,378.95, 10,185.09 and 4,827.08

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Solution

The fourth proportional to 7,378.95, 10,185.09 and 4,827.08 is: 6,662.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.95 : 10,185.09 = 4,827.08 : x
  2. Step 2: Convert to fraction form
    7,378.95/10,185.09 = 4,827.08/x
  3. Step 3: Cross multiply
    7,378.95x = 10,185.09 × 4,827.08
  4. Step 4: Simplify right side
    7,378.95x = 49,164,244.24
  5. Step 5: Solve for x
    x = 49,164,244.24/7,378.95
  6. Step 6: Final answer
    x = 6,662.77

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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.