Home / 5,434.90-8,152.35-4,830.10

Finding the Fourth Proportional to 5,434.90, 8,152.35 and 4,830.10

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Solution

The fourth proportional to 5,434.90, 8,152.35 and 4,830.10 is: 7,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.90 : 8,152.35 = 4,830.10 : x
  2. Step 2: Convert to fraction form
    5,434.90/8,152.35 = 4,830.10/x
  3. Step 3: Cross multiply
    5,434.90x = 8,152.35 × 4,830.10
  4. Step 4: Simplify right side
    5,434.90x = 39,376,665.74
  5. Step 5: Solve for x
    x = 39,376,665.74/5,434.90
  6. Step 6: Final answer
    x = 7,245.15

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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.