Home / 9,284.80-13,928.40-4,607.20

Finding the Fourth Proportional to 9,284.80, 13,928.40 and 4,607.20

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Solution

The fourth proportional to 9,284.80, 13,928.40 and 4,607.20 is: 6,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,284.80 : 13,928.40 = 4,607.20 : x
  2. Step 2: Convert to fraction form
    9,284.80/13,928.40 = 4,607.20/x
  3. Step 3: Cross multiply
    9,284.80x = 13,928.40 × 4,607.20
  4. Step 4: Simplify right side
    9,284.80x = 64,170,924.48
  5. Step 5: Solve for x
    x = 64,170,924.48/9,284.80
  6. Step 6: Final answer
    x = 6,911.40

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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.