Home / 4,719.78-6,510.40-3,395.26

Finding the Fourth Proportional to 4,719.78, 6,510.40 and 3,395.26

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Solution

The fourth proportional to 4,719.78, 6,510.40 and 3,395.26 is: 4,683.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.78 : 6,510.40 = 3,395.26 : x
  2. Step 2: Convert to fraction form
    4,719.78/6,510.40 = 3,395.26/x
  3. Step 3: Cross multiply
    4,719.78x = 6,510.40 × 3,395.26
  4. Step 4: Simplify right side
    4,719.78x = 22,104,500.70
  5. Step 5: Solve for x
    x = 22,104,500.70/4,719.78
  6. Step 6: Final answer
    x = 4,683.38

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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.