Home / 4,988.36-7,478.08-2,064.80

Finding the Fourth Proportional to 4,988.36, 7,478.08 and 2,064.80

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Solution

The fourth proportional to 4,988.36, 7,478.08 and 2,064.80 is: 3,095.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.36 : 7,478.08 = 2,064.80 : x
  2. Step 2: Convert to fraction form
    4,988.36/7,478.08 = 2,064.80/x
  3. Step 3: Cross multiply
    4,988.36x = 7,478.08 × 2,064.80
  4. Step 4: Simplify right side
    4,988.36x = 15,440,739.58
  5. Step 5: Solve for x
    x = 15,440,739.58/4,988.36
  6. Step 6: Final answer
    x = 3,095.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.