Home / 4,700.03-7,050.85-1,928.21

Finding the Fourth Proportional to 4,700.03, 7,050.85 and 1,928.21

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Solution

The fourth proportional to 4,700.03, 7,050.85 and 1,928.21 is: 2,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.03 : 7,050.85 = 1,928.21 : x
  2. Step 2: Convert to fraction form
    4,700.03/7,050.85 = 1,928.21/x
  3. Step 3: Cross multiply
    4,700.03x = 7,050.85 × 1,928.21
  4. Step 4: Simplify right side
    4,700.03x = 13,595,479.40
  5. Step 5: Solve for x
    x = 13,595,479.40/4,700.03
  6. Step 6: Final answer
    x = 2,892.64

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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.