Home / 7,769.16-10,719.18-4,785.48

Finding the Fourth Proportional to 7,769.16, 10,719.18 and 4,785.48

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Solution

The fourth proportional to 7,769.16, 10,719.18 and 4,785.48 is: 6,602.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.16 : 10,719.18 = 4,785.48 : x
  2. Step 2: Convert to fraction form
    7,769.16/10,719.18 = 4,785.48/x
  3. Step 3: Cross multiply
    7,769.16x = 10,719.18 × 4,785.48
  4. Step 4: Simplify right side
    7,769.16x = 51,296,421.51
  5. Step 5: Solve for x
    x = 51,296,421.51/7,769.16
  6. Step 6: Final answer
    x = 6,602.57

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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.