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Finding the Fourth Proportional to 7,300.95, 10,076.25 and 4,785.19

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Solution

The fourth proportional to 7,300.95, 10,076.25 and 4,785.19 is: 6,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.95 : 10,076.25 = 4,785.19 : x
  2. Step 2: Convert to fraction form
    7,300.95/10,076.25 = 4,785.19/x
  3. Step 3: Cross multiply
    7,300.95x = 10,076.25 × 4,785.19
  4. Step 4: Simplify right side
    7,300.95x = 48,216,746.81
  5. Step 5: Solve for x
    x = 48,216,746.81/7,300.95
  6. Step 6: Final answer
    x = 6,604.17

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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.