Home / 6,429.47-8,866.73-4,937.45

Finding the Fourth Proportional to 6,429.47, 8,866.73 and 4,937.45

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Solution

The fourth proportional to 6,429.47, 8,866.73 and 4,937.45 is: 6,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.47 : 8,866.73 = 4,937.45 : x
  2. Step 2: Convert to fraction form
    6,429.47/8,866.73 = 4,937.45/x
  3. Step 3: Cross multiply
    6,429.47x = 8,866.73 × 4,937.45
  4. Step 4: Simplify right side
    6,429.47x = 43,779,004.05
  5. Step 5: Solve for x
    x = 43,779,004.05/6,429.47
  6. Step 6: Final answer
    x = 6,809.12

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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.