Home / 5,353.12-8,030.45-1,655.68

Finding the Fourth Proportional to 5,353.12, 8,030.45 and 1,655.68

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Solution

The fourth proportional to 5,353.12, 8,030.45 and 1,655.68 is: 2,483.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.12 : 8,030.45 = 1,655.68 : x
  2. Step 2: Convert to fraction form
    5,353.12/8,030.45 = 1,655.68/x
  3. Step 3: Cross multiply
    5,353.12x = 8,030.45 × 1,655.68
  4. Step 4: Simplify right side
    5,353.12x = 13,295,807.03
  5. Step 5: Solve for x
    x = 13,295,807.03/5,353.12
  6. Step 6: Final answer
    x = 2,483.75

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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.