Home / 9,478.02-14,216.95-2,815.03

Finding the Fourth Proportional to 9,478.02, 14,216.95 and 2,815.03

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Solution

The fourth proportional to 9,478.02, 14,216.95 and 2,815.03 is: 4,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.02 : 14,216.95 = 2,815.03 : x
  2. Step 2: Convert to fraction form
    9,478.02/14,216.95 = 2,815.03/x
  3. Step 3: Cross multiply
    9,478.02x = 14,216.95 × 2,815.03
  4. Step 4: Simplify right side
    9,478.02x = 40,021,140.76
  5. Step 5: Solve for x
    x = 40,021,140.76/9,478.02
  6. Step 6: Final answer
    x = 4,222.52

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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.