Home / 7,038.36-9,708.12-4,384.80

Finding the Fourth Proportional to 7,038.36, 9,708.12 and 4,384.80

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Solution

The fourth proportional to 7,038.36, 9,708.12 and 4,384.80 is: 6,048.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.36 : 9,708.12 = 4,384.80 : x
  2. Step 2: Convert to fraction form
    7,038.36/9,708.12 = 4,384.80/x
  3. Step 3: Cross multiply
    7,038.36x = 9,708.12 × 4,384.80
  4. Step 4: Simplify right side
    7,038.36x = 42,568,164.58
  5. Step 5: Solve for x
    x = 42,568,164.58/7,038.36
  6. Step 6: Final answer
    x = 6,048.02

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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.