Home / 7,395.68-10,206.45-4,038.80

Finding the Fourth Proportional to 7,395.68, 10,206.45 and 4,038.80

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Solution

The fourth proportional to 7,395.68, 10,206.45 and 4,038.80 is: 5,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.68 : 10,206.45 = 4,038.80 : x
  2. Step 2: Convert to fraction form
    7,395.68/10,206.45 = 4,038.80/x
  3. Step 3: Cross multiply
    7,395.68x = 10,206.45 × 4,038.80
  4. Step 4: Simplify right side
    7,395.68x = 41,221,835.78
  5. Step 5: Solve for x
    x = 41,221,835.78/7,395.68
  6. Step 6: Final answer
    x = 5,573.77

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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.