Home / 5,783.23-7,980.82-3,130.58

Finding the Fourth Proportional to 5,783.23, 7,980.82 and 3,130.58

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Solution

The fourth proportional to 5,783.23, 7,980.82 and 3,130.58 is: 4,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.23 : 7,980.82 = 3,130.58 : x
  2. Step 2: Convert to fraction form
    5,783.23/7,980.82 = 3,130.58/x
  3. Step 3: Cross multiply
    5,783.23x = 7,980.82 × 3,130.58
  4. Step 4: Simplify right side
    5,783.23x = 24,984,595.48
  5. Step 5: Solve for x
    x = 24,984,595.48/5,783.23
  6. Step 6: Final answer
    x = 4,320.18

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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.