Home / 5,206.41-7,808.40-2,430.45

Finding the Fourth Proportional to 5,206.41, 7,808.40 and 2,430.45

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Solution

The fourth proportional to 5,206.41, 7,808.40 and 2,430.45 is: 3,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.41 : 7,808.40 = 2,430.45 : x
  2. Step 2: Convert to fraction form
    5,206.41/7,808.40 = 2,430.45/x
  3. Step 3: Cross multiply
    5,206.41x = 7,808.40 × 2,430.45
  4. Step 4: Simplify right side
    5,206.41x = 18,977,925.78
  5. Step 5: Solve for x
    x = 18,977,925.78/5,206.41
  6. Step 6: Final answer
    x = 3,645.11

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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.