Home / 7,104.60-9,783.45-4,864.14

Finding the Fourth Proportional to 7,104.60, 9,783.45 and 4,864.14

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Solution

The fourth proportional to 7,104.60, 9,783.45 and 4,864.14 is: 6,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.60 : 9,783.45 = 4,864.14 : x
  2. Step 2: Convert to fraction form
    7,104.60/9,783.45 = 4,864.14/x
  3. Step 3: Cross multiply
    7,104.60x = 9,783.45 × 4,864.14
  4. Step 4: Simplify right side
    7,104.60x = 47,588,070.48
  5. Step 5: Solve for x
    x = 47,588,070.48/7,104.60
  6. Step 6: Final answer
    x = 6,698.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.