Home / 5,285.16-7,927.74-2,205

Finding the Fourth Proportional to 5,285.16, 7,927.74 and 2,205

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Solution

The fourth proportional to 5,285.16, 7,927.74 and 2,205 is: 3,307.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.16 : 7,927.74 = 2,205 : x
  2. Step 2: Convert to fraction form
    5,285.16/7,927.74 = 2,205/x
  3. Step 3: Cross multiply
    5,285.16x = 7,927.74 × 2,205
  4. Step 4: Simplify right side
    5,285.16x = 17,480,666.70
  5. Step 5: Solve for x
    x = 17,480,666.70/5,285.16
  6. Step 6: Final answer
    x = 3,307.50

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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.