Home / 7,421.94-11,140.61-4,973.87

Finding the Fourth Proportional to 7,421.94, 11,140.61 and 4,973.87

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Solution

The fourth proportional to 7,421.94, 11,140.61 and 4,973.87 is: 7,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.94 : 11,140.61 = 4,973.87 : x
  2. Step 2: Convert to fraction form
    7,421.94/11,140.61 = 4,973.87/x
  3. Step 3: Cross multiply
    7,421.94x = 11,140.61 × 4,973.87
  4. Step 4: Simplify right side
    7,421.94x = 55,411,948.84
  5. Step 5: Solve for x
    x = 55,411,948.84/7,421.94
  6. Step 6: Final answer
    x = 7,465.97

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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.