Home / 5,405.52-8,065.95-4,705.68

Finding the Fourth Proportional to 5,405.52, 8,065.95 and 4,705.68

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Solution

The fourth proportional to 5,405.52, 8,065.95 and 4,705.68 is: 7,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.52 : 8,065.95 = 4,705.68 : x
  2. Step 2: Convert to fraction form
    5,405.52/8,065.95 = 4,705.68/x
  3. Step 3: Cross multiply
    5,405.52x = 8,065.95 × 4,705.68
  4. Step 4: Simplify right side
    5,405.52x = 37,955,779.60
  5. Step 5: Solve for x
    x = 37,955,779.60/5,405.52
  6. Step 6: Final answer
    x = 7,021.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.