Home / 7,816.16-10,785.56-4,630.70

Finding the Fourth Proportional to 7,816.16, 10,785.56 and 4,630.70

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Solution

The fourth proportional to 7,816.16, 10,785.56 and 4,630.70 is: 6,389.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.16 : 10,785.56 = 4,630.70 : x
  2. Step 2: Convert to fraction form
    7,816.16/10,785.56 = 4,630.70/x
  3. Step 3: Cross multiply
    7,816.16x = 10,785.56 × 4,630.70
  4. Step 4: Simplify right side
    7,816.16x = 49,944,696.50
  5. Step 5: Solve for x
    x = 49,944,696.50/7,816.16
  6. Step 6: Final answer
    x = 6,389.93

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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.