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Finding the Fourth Proportional to 5,710.95, 8,570.99 and 5,528.70

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Solution

The fourth proportional to 5,710.95, 8,570.99 and 5,528.70 is: 8,297.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710.95 : 8,570.99 = 5,528.70 : x
  2. Step 2: Convert to fraction form
    5,710.95/8,570.99 = 5,528.70/x
  3. Step 3: Cross multiply
    5,710.95x = 8,570.99 × 5,528.70
  4. Step 4: Simplify right side
    5,710.95x = 47,386,446.23
  5. Step 5: Solve for x
    x = 47,386,446.23/5,710.95
  6. Step 6: Final answer
    x = 8,297.47

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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.