Home / 5,289.89-7,298.40-3,051.47

Finding the Fourth Proportional to 5,289.89, 7,298.40 and 3,051.47

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Solution

The fourth proportional to 5,289.89, 7,298.40 and 3,051.47 is: 4,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.89 : 7,298.40 = 3,051.47 : x
  2. Step 2: Convert to fraction form
    5,289.89/7,298.40 = 3,051.47/x
  3. Step 3: Cross multiply
    5,289.89x = 7,298.40 × 3,051.47
  4. Step 4: Simplify right side
    5,289.89x = 22,270,848.65
  5. Step 5: Solve for x
    x = 22,270,848.65/5,289.89
  6. Step 6: Final answer
    x = 4,210.08

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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.