Home / 10,878.95-16,316.03-3,762.79

Finding the Fourth Proportional to 10,878.95, 16,316.03 and 3,762.79

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Solution

The fourth proportional to 10,878.95, 16,316.03 and 3,762.79 is: 5,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.95 : 16,316.03 = 3,762.79 : x
  2. Step 2: Convert to fraction form
    10,878.95/16,316.03 = 3,762.79/x
  3. Step 3: Cross multiply
    10,878.95x = 16,316.03 × 3,762.79
  4. Step 4: Simplify right side
    10,878.95x = 61,393,763.14
  5. Step 5: Solve for x
    x = 61,393,763.14/10,878.95
  6. Step 6: Final answer
    x = 5,643.35

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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.