Home / 4,478.48-6,718.08-1,556

Finding the Fourth Proportional to 4,478.48, 6,718.08 and 1,556

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Solution

The fourth proportional to 4,478.48, 6,718.08 and 1,556 is: 2,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.48 : 6,718.08 = 1,556 : x
  2. Step 2: Convert to fraction form
    4,478.48/6,718.08 = 1,556/x
  3. Step 3: Cross multiply
    4,478.48x = 6,718.08 × 1,556
  4. Step 4: Simplify right side
    4,478.48x = 10,453,332.48
  5. Step 5: Solve for x
    x = 10,453,332.48/4,478.48
  6. Step 6: Final answer
    x = 2,334.13

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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.