Home / 5,095.65-7,643.61-1,585.67

Finding the Fourth Proportional to 5,095.65, 7,643.61 and 1,585.67

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Solution

The fourth proportional to 5,095.65, 7,643.61 and 1,585.67 is: 2,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.65 : 7,643.61 = 1,585.67 : x
  2. Step 2: Convert to fraction form
    5,095.65/7,643.61 = 1,585.67/x
  3. Step 3: Cross multiply
    5,095.65x = 7,643.61 × 1,585.67
  4. Step 4: Simplify right side
    5,095.65x = 12,120,262.18
  5. Step 5: Solve for x
    x = 12,120,262.18/5,095.65
  6. Step 6: Final answer
    x = 2,378.55

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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.