Home / 5,477.18-8,214.86-1,528.70

Finding the Fourth Proportional to 5,477.18, 8,214.86 and 1,528.70

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Solution

The fourth proportional to 5,477.18, 8,214.86 and 1,528.70 is: 2,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.18 : 8,214.86 = 1,528.70 : x
  2. Step 2: Convert to fraction form
    5,477.18/8,214.86 = 1,528.70/x
  3. Step 3: Cross multiply
    5,477.18x = 8,214.86 × 1,528.70
  4. Step 4: Simplify right side
    5,477.18x = 12,558,056.48
  5. Step 5: Solve for x
    x = 12,558,056.48/5,477.18
  6. Step 6: Final answer
    x = 2,292.80

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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.