Home / 4,776.48-7,152.12-4,484.40

Finding the Fourth Proportional to 4,776.48, 7,152.12 and 4,484.40

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Solution

The fourth proportional to 4,776.48, 7,152.12 and 4,484.40 is: 6,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.48 : 7,152.12 = 4,484.40 : x
  2. Step 2: Convert to fraction form
    4,776.48/7,152.12 = 4,484.40/x
  3. Step 3: Cross multiply
    4,776.48x = 7,152.12 × 4,484.40
  4. Step 4: Simplify right side
    4,776.48x = 32,072,966.93
  5. Step 5: Solve for x
    x = 32,072,966.93/4,776.48
  6. Step 6: Final answer
    x = 6,714.77

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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.