Home / 7,767.14-10,720.70-4,785.46

Finding the Fourth Proportional to 7,767.14, 10,720.70 and 4,785.46

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Solution

The fourth proportional to 7,767.14, 10,720.70 and 4,785.46 is: 6,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.14 : 10,720.70 = 4,785.46 : x
  2. Step 2: Convert to fraction form
    7,767.14/10,720.70 = 4,785.46/x
  3. Step 3: Cross multiply
    7,767.14x = 10,720.70 × 4,785.46
  4. Step 4: Simplify right side
    7,767.14x = 51,303,448.24
  5. Step 5: Solve for x
    x = 51,303,448.24/7,767.14
  6. Step 6: Final answer
    x = 6,605.20

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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.