Home / 10,779.60-14,875.56-6,064.32

Finding the Fourth Proportional to 10,779.60, 14,875.56 and 6,064.32

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Solution

The fourth proportional to 10,779.60, 14,875.56 and 6,064.32 is: 8,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.60 : 14,875.56 = 6,064.32 : x
  2. Step 2: Convert to fraction form
    10,779.60/14,875.56 = 6,064.32/x
  3. Step 3: Cross multiply
    10,779.60x = 14,875.56 × 6,064.32
  4. Step 4: Simplify right side
    10,779.60x = 90,210,156.02
  5. Step 5: Solve for x
    x = 90,210,156.02/10,779.60
  6. Step 6: Final answer
    x = 8,368.60

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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.