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Finding the Fourth Proportional to 7,051.79, 9,730.18 and 4,533.05

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Solution

The fourth proportional to 7,051.79, 9,730.18 and 4,533.05 is: 6,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.79 : 9,730.18 = 4,533.05 : x
  2. Step 2: Convert to fraction form
    7,051.79/9,730.18 = 4,533.05/x
  3. Step 3: Cross multiply
    7,051.79x = 9,730.18 × 4,533.05
  4. Step 4: Simplify right side
    7,051.79x = 44,107,392.45
  5. Step 5: Solve for x
    x = 44,107,392.45/7,051.79
  6. Step 6: Final answer
    x = 6,254.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.