Home / 9,477.78-14,216.02-2,903.40

Finding the Fourth Proportional to 9,477.78, 14,216.02 and 2,903.40

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Solution

The fourth proportional to 9,477.78, 14,216.02 and 2,903.40 is: 4,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.78 : 14,216.02 = 2,903.40 : x
  2. Step 2: Convert to fraction form
    9,477.78/14,216.02 = 2,903.40/x
  3. Step 3: Cross multiply
    9,477.78x = 14,216.02 × 2,903.40
  4. Step 4: Simplify right side
    9,477.78x = 41,274,792.47
  5. Step 5: Solve for x
    x = 41,274,792.47/9,477.78
  6. Step 6: Final answer
    x = 4,354.90

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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.