Home / 7,497.02-10,345.68-4,139.77

Finding the Fourth Proportional to 7,497.02, 10,345.68 and 4,139.77

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Solution

The fourth proportional to 7,497.02, 10,345.68 and 4,139.77 is: 5,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.02 : 10,345.68 = 4,139.77 : x
  2. Step 2: Convert to fraction form
    7,497.02/10,345.68 = 4,139.77/x
  3. Step 3: Cross multiply
    7,497.02x = 10,345.68 × 4,139.77
  4. Step 4: Simplify right side
    7,497.02x = 42,828,735.69
  5. Step 5: Solve for x
    x = 42,828,735.69/7,497.02
  6. Step 6: Final answer
    x = 5,712.77

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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.