Home / 9,860.77-13,607.81-5,384.52

Finding the Fourth Proportional to 9,860.77, 13,607.81 and 5,384.52

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Solution

The fourth proportional to 9,860.77, 13,607.81 and 5,384.52 is: 7,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.77 : 13,607.81 = 5,384.52 : x
  2. Step 2: Convert to fraction form
    9,860.77/13,607.81 = 5,384.52/x
  3. Step 3: Cross multiply
    9,860.77x = 13,607.81 × 5,384.52
  4. Step 4: Simplify right side
    9,860.77x = 73,271,498.18
  5. Step 5: Solve for x
    x = 73,271,498.18/9,860.77
  6. Step 6: Final answer
    x = 7,430.61

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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.